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Projecting measurements of the interactions of the known Standard Model (SM) states into an effective field theory (EFT) framework is an important goal of the LHC physics program. The interpretation of measurements of the properties of the…

High Energy Physics - Phenomenology · Physics 2019-02-19 Ilaria Brivio , Michael Trott

We use the Fitmaker tool to incorporate the recent CDF measurement of $m_W$ in a global fit to electroweak, Higgs, and diboson data in the Standard Model Effective Field Theory (SMEFT) including dimension-6 operators at linear order. We…

High Energy Physics - Phenomenology · Physics 2022-09-21 Emanuele Bagnaschi , John Ellis , Maeve Madigan , Ken Mimasu , Veronica Sanz , Tevong You

Precision observables are well known for constraining most of the Beyond Standard Model (BSM) scenarios tightly. We present here a simple and comprehensive fitting framework for various BSM scenarios to these observables. We start with the…

High Energy Physics - Phenomenology · Physics 2023-05-24 Mathew Thomas Arun , Kuldeep Deka , Tripurari Srivastava

We investigate the application of Hybrid Effective Field Theory (HEFT) -- which combines a Lagrangian bias expansion with subsequent particle dynamics from $N$-body simulations -- to the modeling of $k$-Nearest Neighbor Cumulative…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-02 Arka Banerjee , Nickolas Kokron , Tom Abel

In theories with extended scalar sectors the lightest new scalar degree of freedom might be accessible at colliders. Going beyond simplified models, such a theory can be described in a gauge-invariant and agnostic way via an EFT with a…

High Energy Physics - Phenomenology · Physics 2025-12-15 Giorgio Arcadi , David Cabo-Almeida , Florian Goertz , Maya Hager

The Standard Model Effective Field Theory (SMEFT) provides a robust framework for probing deviations in the couplings of Standard Model particles from their theoretical predictions. This framework relies on an expansion in…

High Energy Physics - Phenomenology · Physics 2025-01-22 Nilabhra Adhikary , Tisa Biswas , Joydeep Chakrabortty , Christoph Englert , Michael Spannowsky

Finding all possible UV resonances of effective operators is an important task in the bottom-up approach of effective field theory. We present all the tree-level UV resonances for the dimension-5, -6 and -7 operators in the Standard Model…

High Energy Physics - Phenomenology · Physics 2023-07-21 Xu-Xiang Li , Zhe Ren , Jiang-Hao Yu

We propose the ``naive" $T$-odd Collins-Soper moments in the Drell-Yan process as probes of previously unexplored directions in the Standard Model Effective Field Theory (SMEFT) parameter space. We show that the moments $A_6$ and $A_7$ in…

High Energy Physics - Phenomenology · Physics 2026-04-02 Frank Petriello , Kaan Şimşek

In recent times, SMEFT, along with a superlative repertoire of theoretical and computational tools, has emerged as an efficacious platform to test the viability of proposed BSM scenarios. With symmetry as the backbone, higher mass…

High Energy Physics - Phenomenology · Physics 2022-09-07 Wrishik Naskar , Suraj Prakash , Shakeel Ur Rahaman

We present a parton-level study of electro-weak production of vector-boson pairs at the Large Hadron Collider, establishing the sensitivity to a set of dimension-six operators in the Standard Model Effective Field Theory (SMEFT). Different…

High-energy neutral and charged Drell--Yan differential cross-section measurements are powerful probes of quark-lepton contact interactions that produce growing-with-energy effects. This paper provides theoretical predictions of the new…

High Energy Physics - Phenomenology · Physics 2021-03-03 Lorenzo Ricci , Riccardo Torre , Andrea Wulzer

We present the results of the first complete one-loop matching calculation between the real singlet scalar extension of the Standard Model and the Standard Model effective field theory (SMEFT) at dimension six. Beyond their immediate…

High Energy Physics - Phenomenology · Physics 2019-02-20 Minyuan Jiang , Nathaniel Craig , Ying-Ying Li , Dave Sutherland

We investigate the bounds which can be placed on generic new-physics contributions to dijet production at the LHC using the framework of the Standard Model Effective Field Theory, deriving the first consistently-treated EFT bounds from…

High Energy Physics - Phenomenology · Physics 2018-02-14 Stefan Alte , Matthias König , William Shepherd

Conformal field theory finds applications across diverse fields, from statistical systems at criticality to quantum gravity through the AdS/CFT correspondence. These theories are subject to strong constraints, enabling a systematic…

High Energy Physics - Theory · Physics 2024-01-22 Julien Barrat

In the Standard Model (SM), electroweak (EW) corrections become significant at high energies, particularly at the tera-electronvolt scale and beyond, due to the presence of Sudakov logarithms. At these energy scales, the Standard Model…

High Energy Physics - Phenomenology · Physics 2025-11-12 Hesham El Faham , Ken Mimasu , Davide Pagani , Claudio Severi , Eleni Vryonidou , Marco Zaro

We study Drell-Yan production in universal theories consistently including effects beyond dimension six in the SMEFT. Within universal SMEFT and with $C$ and $P$ conservation we find that eleven dimension-eight operators contribute in…

High Energy Physics - Phenomenology · Physics 2025-09-01 Tyler Corbett , Jay Desai , O. J. P. Eboli , M. C. Gonzalez-Garcia , Matheus Martines , Peter Reimitz

We study constraints on the Standard Model Effective Field Theory (SMEFT) from neutrino oscillations in short-baseline reactor experiments. We calculate the survival probability of reactors antineutrinos at the leading order in the SMEFT…

High Energy Physics - Phenomenology · Physics 2019-06-26 Adam Falkowski , Martín González-Alonso , Zahra Tabrizi

We compute the renormalization-group equations governing the evolution of dimension-8 four-fermion operators in the Standard Model Effective Field Theory (SMEFT). We describe the calculation and present analytic results for both the full…

High Energy Physics - Phenomenology · Physics 2024-12-23 Radja Boughezal , Yingsheng Huang , Frank Petriello

We report codes for the Standard Model Effective Field Theory (SMEFT) in FeynRules -- the SMEFTsim package. The codes enable theoretical predictions for dimension six operator corrections to the Standard Model using numerical tools, where…

High Energy Physics - Phenomenology · Physics 2019-08-12 Ilaria Brivio , Yun Jiang , Michael Trott

We assume that New Physics effects are parametrized within the Standard Model Effective Field Theory (SMEFT) written in a complete basis of gauge invariant operators up to dimension 6, commonly referred to as "Warsaw basis". We discuss all…

High Energy Physics - Phenomenology · Physics 2019-05-14 A. Dedes , W. Materkowska , M. Paraskevas , J. Rosiek , K. Suxho